Alonzo falls



(No Model.)

ATPALLS.v l MBGHANISM FOR STRIPPING THE TOP- VPIATS 0F GARDING MACHINES. y

Patented M'p4y-8, 1888.?l 8

EEEE- UNITED STATES PATENT OEEICE. 1 l

ALONZO EALLSoE LowELL, MASSACHUSETTS, Assrenon on ONE-HALE To ALEXANDER e. oUMNooK, or SAME rLAoE.

MECHNiSM FOR STRIPPINGTHE TOP-PLATS QFCARDlNG-MACHINES.

SPECIFICATION forming part of Letters Patent No. 382,598, dated May 8, 1888.

Application tiled' July 29, 1887. Serial No. 245,602. (No model.) v v To all whom it may concern: 4

Be it known that I,ALONZO FALLS, a citizen of the United States, residing at Lowell, in the county of Middlesex and Commonwealth 5 of Massachusetts, have invented a new and useful Improvement in Mechanism for Stripping the Top-Flats of `Garding-llfachines,.of which the following is a specification.

My invention relates to mechanism forstripping the topiiats of carding-machines; and it consists in improved means, hereinafter described and claimed, for moving said mechanism more rapidly While stripping the top-Hats than while traversing from one top-flat to another, in orderthat the operation of stripping may be performed as rapidly as possible, and that the top-dats may be raised 'from the cy-linder for as short a. time as possible.

In the accompanying drawings, Figure 1 is an isometric view of so much of a carding-machine with my improvement applied thereto as is necessary to understand my invention; Fig. 2, an elevation of the inner side of the stripping cam-gear and its actuating-pinion, showing the lifting-cams, the lifting-rod and its pins, and showing also the peculiar arrangement of the teeth of the cam-gear and actuating-pinion; Fig. 3, an elevation of the outside of the stripping cam-gear and its actuatingpinion; Figa-1t, a side elevation of the parts shown in Figs. 2 and 3 in the positions they occupy in said flgures; Fig. 5, an enlarged plan of a part of the cam-gear, showing the adja-v cent ends of the rows of fast and slow motion teeth; Fig. 6, a side elevation of part ofthe stripping cam-'gear provided with slown1otion teeth, and of the one-toothed pinion or onetoothed part ofthe actuating-pinion; Fig. 7, an isometric view of the actuating-pinion.

40 The frame A of the carding-machine, the

top-flats B, the main shaft C, the frame D of the stripping mechanism, stripper-arm d, the

stripper d', the traverse-pinion g, the traverserack G, with which the pinion g engages to move the stripping mechanism from one fiat to another, the guard g and pinion g, both turning with the pinion g, and the pinion E,

operating the stripping mechanism, are all of the usual construction and operation, the

5o frame D swinging upon the main shaft C of the carding-machine, as shown in Patent No.

16,50i, granted January 27,- 1857, to George Wellman. The pinion E engages with an intermediate gear, E', but instead lof the usual single pinion, which is ordinarily secured to the gear E', concentrically therewith, and which drives the stripping can1-gear F by en-v gaging with spurteeth of uniform pitch commonly arranged around the entire circumference of said stripping cam-gear, I use a double actuating-pinion, H, and ,I modify the strip` ping cam-gear, as hereinafter described, to secure the fast and slow motion of the stripping mechanism. The double actuating pinion consists of two united pinions, H H2, one pinion thereofV having a definite number of spur*- teeth, h, (eleven being shown in the drawings) arranged at equal intervals and having a unif ormpitch, which teeth h engage with afrowy f of teeth, f, onthe stripping cam-gear F, these' 70 teeth f being arranged at equal intervals with' each other and' corresponding in pitch tothe pitch of the teeth h, and being in numbera multiple of the number of teeth h. The other part or pinion, H2, ofthe doublel actuating-pinion H 5 is provided with a single tooth, h, and is constructed substantially like the stop-pinion of a Geneva Stop-motion, the single tooth of said one-toothed pinion being ofthe same length and pitch as any tooth h. The sector of thecamgear F not provided with the teeth f is provided with a' series of double teeth, f', ar-v ranged in pairs, the outer sides of which'double teeth have the same` length and pitch as the teeth f, the space jz between two members of a' double tooth representinga rest, the camgear F being locked or prevented from moving 4while the untoothed portion of the circumference ofthe actuating-pinion is Vbetween the members of a double tooth, one side of the single tooth h coming in contact with one outer face of the double tooth', and the other face of the single tooth h coming in contact with the other face of said double tooth, and the distance between one double tooth f and 95 the next being the sanne as between two successive teeth f. The single tooth hof the actuating-pinion is in the same axial plane with one of the teeth-h, as shownin Fig. 7, and when the untoothed part of said actuating-pinion is between two members of a double tooth it is in contact with both of said members,asshown complete circle.

The actuating-pinion H is secured to the intermediate gear, E', and is driven continuously at a uniform speed, so that when the teeth hof the actuating-pinion are in engagement with the single spurteeth f of the strippingcamgear said stripping cam-gear has a continuous rotary motion; but when the single-toothed pinion of the actuatingpinion engages with the double teeth f the cam-gear has a much slower intermittent motion, one revolution of the actuating-pinion at this time rotating the cam-gear an angular distance represented by one double toothaud the cam-gear being at a rest during the greater part of the revolution of said actuating-pinion.

The cam-groove I is of the usual shape and engages the stud d2, which projects from the stripper-arm d, and the eiective portion z' of said cam-grooveis in engagement with the stud -dl only when the cam-gear F is rotating at its fastest speed. A third set of spur-teeth, f3, extending partly around. the cam-gear F, en gage with the pinion g?, above named, said lastnamed pinion being concentric with and turning with the traverse-pinion for the pur-- pose above stated, said teeth f3 being in a different plane from that occupied by either of the other rows ff of teeth on the camgear, these different sets of teeth being so arranged that the slower motion of the camgear and the traversing ofthe stripping mechanism take place at the same time. The lifting-cam K has cam portions 7c k', which engage horizontal pins Z, projecting from the lifting rod L, to raise and lower said lifting-rod, and which are so arranged on the inner face of said cam-gear as to operate the lifting-rod and to raise the top-dat to be operated upon and to restore said top-flat to position after the same has been stripped while the cam-gear is being rotated at its faster speed.

It will be understood that the exact number of teeth shown in the drawings is not absolutely essential; but the respective arcs occupied by the single and double teeth, and the number of teeth h of the actuating-pinion, should be such that the operations of lifting, stripping, and restoring the top-flats to their positions will be begun and completed while the cam-gear has its faster motion.

The construction above described allows the general speed of the stripping mechanism to be increased.

I claim as my invention- The combination of the main shaft, the sup portingi"rame swinging on said shaft, a double actuatingpinion, one pinion of which is provided with spur-teeth of uniform pitch arranged at equal intervals around the same,and the other pinion of which is provided with a single spur-tooth of the same pitch as said firstnamed teeth, the stripping caingear provided with a caingroove and with a set of spur-teeth corresponding in pitch with the teeth of said actuatingpinion, and provided also with a set or row of double teeth' adapted to be engaged by the single tooth of said actuating-pinion, said sets of teeth of said canrgear being con tinuous with each other, the stripping-arm provided with a stripper and with a projection which engages said cam groove, tlielifti iig-cam secured to said cani-gear, the liftingrod provided with pins to engage said lifting-cam, and means, substantially as described, for im parting to said actuating-pinion acontinuous and uniform rotary motion, the traverserack, the traverse pinion engaging said rack, and another pinion secured to said traverse-pinion concentrically therewith and engaging athird set of teeth with which said cam-gear is provided, said sets of teeth on said camgear being arranged, as described, so that said cam-gear and said liftingcarn are rotated at a greater speed while said lifting-rod is being raised and while the stripper is being operated and at a less speed when the stripping mechanism is traversing from one flat to another, as and for the purpose specified.

In witness whereof I have signed this speciiicat-ion, in the presence ,of two subscribing witnesses, this 25th day of July, A. D. 1887.

ALONZO FALLS.

I OO 

